My four years of Chinese education makes me indispensable. :p

Eh, I think it's supposed to be metaphorical. Think more...thermodynamics. Energy goes from high concentration to low concentration. Or diffusion. Or entropy. :p That's the "natural order" of things. In other words, the least energetically costly state is one where gradient differences don't exist. Therefore, the wealth disparity we see in human society must then be maintained by some external force (aka people's greed). Or something.

Yeah.